For example, you need the third return value of a function, you can do like this:
a,b,c,d = Manyvalues()
Debugprint(c)
a,b,d = Nil
Not an elegant solution to use three needless variables.
A creative method could be used liked this:
c = Pack ( Manyvalues() )[2]
Debugprint(c)
Don't know which one is more optimal by speed and memory, but the latter looks better for the eye

Is there any other solution? Maybe something from the Lua syntax?